Liquid crystal projector

Details Liquid crystal projector Liquid crystal projector

1989-10-19

1992-03-17

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 61, 353 31, 353 34, 359 40, 359 70, 359634, H04N 931, H04N 930

Patent

active

050973231

ABSTRACT:
A liquid crystal projector of the type, wherein the light emitted from a light source is split into a red beam, a green beam, and a blue beam, and these beams are applied to red-image, green-image, and blue-image display LCD panels, the red-image beam, the green-image beam, and the blue-image beam emerging from these LCD panels are combined and projected by a projection lens, thereby to form a full-color image. The projector has an optical system which guides the beams such that these beam have optical paths of the same length which extend from the light source or the LCD panels to the projection lens.

REFERENCES:
patent: 1319292 (1919-10-01), Kunz
patent: 2604813 (1952-07-01), Gretener
patent: 4437126 (1984-03-01), Gottschalk
patent: 4796978 (1989-01-01), Tanaka et al.
patent: 4864390 (1989-09-01), McKechnie et al.
patent: 4935758 (1990-06-01), Miyatake
patent: 4943154 (1990-07-01), Miyatake et al.
patent: 4989076 (1991-01-01), Owada et al.

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